Note:the item ship out without the battery and it must work with alarm system,it can not work independent.
Description
Alarm current: less than 15mA
Operating temp.: -10 to 50 degrees
Installation mode: wall mounted
Installation height: about 2m
Detecting distance: 3-12m
Detecting angle:90-110 degrees
Transmitting Freq.:433MHz
Sending distance: more than 30m( in the open area)
On Aug 15, 2026 at 01:22:46 PDT, seller added the following information:
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